-ic a-a a-c a-i aaa aac aai aao aap aar aay ac- aca acc aci aco acp acr acy ai- aia aic aii aio aip air aiy aoa aoc aoi aoo aop aor ap- apa apc api apo app apr apy ar- ara arc ari aro arp arr ary ay- aya ayc ayi ayo ayp ayr c-- caa cac cai cao cap car cay cca ccc cci cco ccp ccr ci- cia cic cii cio cip cir co- coa coc coi coo cop cor coy cpa cpc cpi cpo cpp cpr cra crc cri cro crp crr cry cya cyc cyo cyp cyr ia- iaa iac iai iao iap iar ica icc ici ico icp icr icy iia iic iii iio iip iir io- ioa ioc ioi ioo iop ior ipa ipc ipi ipo ipp ipr ipy ir- ira irc iri iro irp irr iry iya iyc iyo iyr iyy o-i oaa oac oai oao oap oar oc- oca occ oci oco ocp ocr oia oic oii oio oip oir oo- ooa ooc ooi ooo oop oor op- opa opc opi opo opp opr opy or- ora orc ori oro orp orr ory oya oyi oyo p-p paa pac pai pao pap par pay pca pcc pci pco pcp pcr pia pic pii pio pip pir poa poc poi poo pop por poy ppa ppc ppi ppo ppp ppr pra prc pri pro prp prr pry py- pya pyc pyo pyr ra- raa rac rai rao rap rar ray rca rcc rci rco rcp rcr ria ric rii rio rip rir riy roa roc roi roo rop ror roy rpa rpc rpi rpo rpp rpr rra rrc rri rrp rrr ry- rya ryc ryo ryr ryy yaa yac yai yao yap yar yay yca ycc yci yco ycp ycy yii yio yip yir yoc yoi yoo yop yor yoy ypa ypo yra yrc yro yrp yyc yyy